vue3容器佈局和導航路由如何實現

容器佈局

將App.vue中的HelloWorld相關內容註解或刪除掉，然後將element-plus提供的佈局複製過來放在App.vue中

該佈局為左側選單欄，右邊內容區，右上為頂部，典型的管理後台風格

<template>
  <!-- <img alt="Vue logo" src="./assets/logo.png"> -->
  <div class="common-layout">
    <el-container>
      <el-aside width="200px">
        <Menu></Menu>
      </el-aside>
      <el-container>
        <el-header height="20px">Header</el-header>
        <el-main>
          <router-view></router-view>
        </el-main>
      </el-container>
    </el-container>
  </div>
<!-- 
  <div>
      <p>
        <router-link to="/home">Go to Home</router-link>
        

        <router-link to="/about">Go to about</router-link>
        <router-view></router-view>
      </p>
    </div>
  <HelloWorld msg="Welcome to Your Vue.js App"/> -->
</template>
<script>
// import HelloWorld from &#39;./components/HelloWorld.vue&#39;
import Menu from &#39;./components/Menu.vue&#39;
export default {
  name: &#39;App&#39;,
  components: {
    // HelloWorld
    Menu
  }
}
</script>

上述程式碼中有Menu.vue元件，需要新建，稍後再新增內容

路由定義

在src目錄新建routes.js文件，將路由列表寫入，方便其它組件使用

const routes = [
    { path: "/home", name: 'home', label: '首页', component: () => import('./components/home.vue'), },
    { path: "/about", name: 'about', label: '关于', component: () => import('./components/about.vue'), },
]
export default routes

內容沒有什麼變化，就是將router.js 中的routes抽出來，單獨寫一個檔案

router.js引入並使用routes

import { createRouter, createWebHashHistory } from 'vue-router'
import routes from './routes'
const router = createRouter({
    history: createWebHashHistory(),
    routes: routes,
})
export default router

左側選單

在components目錄中新建Menu.vue頁面，然後將element-plus中選單元件中Side bar 複製過來。

<template>
  <el-row class="tac">
    <el-col :span="24">
      <h6 class="mb-2">Default colors</h6>
      <el-menu default-active="2" class="el-menu-vertical-demo" @open="handleOpen" @close="handleClose">
        <el-sub-menu index="1">
          <template #title>
            <el-icon>
              <location />
            </el-icon>
            <span>Navigator One</span>
          </template>
          <router-link v-for="(item, index) in routes" :to="{ name: item.name }" :key="item.name">
            <el-menu-item :index="index">
              <span v-text="item.label"></span>
            </el-menu-item>
          </router-link>
        </el-sub-menu>
        <el-menu-item index="2">
          <el-icon>
            <icon-menu />
          </el-icon>
          <span>Navigator Two</span>
        </el-menu-item>
        <el-menu-item index="3" disabled>
          <el-icon>
            <document />
          </el-icon>
          <span>Navigator Three</span>
        </el-menu-item>
        <el-menu-item index="4">
          <el-icon>
            <setting />
          </el-icon>
          <span>Navigator Four</span>
        </el-menu-item>
      </el-menu>
    </el-col>
  </el-row>
</template>
<script>
import {
  Document,
  Menu as IconMenu,
  Location,
  Setting,
} from &#39;@element-plus/icons-vue&#39;
import routes from &#39;../routes&#39;
export default {
  name: &#39;Menu&#39;,
  components: { Document, IconMenu,Location, Setting },
  data() {
    return {
      routes: routes,
    }
  },
  methods: {
    handleOpen() {
      console.log("111")
    },
    handleClose() {
      console.log("222")
    },
  }
}
</script>

@element-plus/icons-vue 此套件需要安裝(npm install @element-plus/icons-vue)

element-plus官網中的例子都是ts setup語法寫的，這裡我們改成js 響應式語法

列寬改成:span="24"或更大值，列寬太小會發現灰線在字體中間

引入定義的路由列表routes.js,將內容循環到router-link中

運行效果如下

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